Geology and Geophysics
2021 · Paper 1
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE GG-1 2021 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 25–27 of 65. Imported answers require review unless explicitly marked reviewed.
Question 15
Open questionGG - G1MCQ1 markNeeds review
The most coaliferous unit of the Gondwana Supergroup is:
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Open questionGG - G1NAT1 markNeeds review
A vertical borehole encounters a shale bed of uniform thickness occurring at a depth of 5 m and dipping 60°. The borehole pierces through this shale bed for a length of 10 m to reach a sandstone layer below. The true thickness of the shale bed is ______ m. [in integer]
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Open questionGG - G1NAT1 markNeeds review
The mass and volume of a fully dried soil sample are 220 gm and 1100 cm³, respectively. If the specific gravity of the soil particles is 2.5 and water density is 1 gm/cm³, the void ratio of the soil is ________. [round off to 2 decimal places]
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